Air-moistening device.



@www W. M. BOWEN. AIR MOISTENING DEVICE. APPLICATION FILED JULY 16,1909.

Patented Aug. 16, 1910.

Veni

,UNITED STATES '1?,A'ITENil@` OFFICE .WILLIAM mamon BOWEN, or OTTAWA,ONTARIO, cANAnA, AssIeNon-er oNEfrHmn TO E. MURPHY AND ONE-THIRD. T0JOHN MAR-TELL, BOTH OF OTTAWA, CANADA.

VAIBANIOISTENING nnvIcE.

Be it known that I, WIIMALI MEn'roN BOWEN, a subject of the King ofGreat Brit- Vfain, residing at N'o. 122 Thirdavenue, in

. 5; 'the city of Ottawa, in the Province of Ontario, in the Dominion ofCanada, have invented certain new and useful Improvements inAir-Moistening' Devices, .of which the,

following is a specification.

The invention relates to improvements'V .in ai'1moistening devices forfurnaces or the like, as described in thel present specilication andillustrated in` the accompany- `ing drawings that form part of the'same.The invention consistsessentially inthe novel arrangement and.construction of parts whereby a shallowaevaporating pan fitting withinthe interior` `of a furnace casing has a4 Well'secured thereto andcommunicating therewithand positionedyonthe outside of said casingwhereby the evaporating pan ,is

; retained in position, suitable means being 'fprovided forautomaticallysupplyng the ,said well with water. I

a simple and durable means for thel regular and efficient evaporation ofwater in furnace pans or the like, to provide a pan of In the drawings,Figure 1 is a side eleva- .tion of a .furnace with theouterfcasingpartially broken away, showing the evaporating ipan and well, insection, applied theretoi Fig. 2 is a perspective view partially brokenaway to show the automatic means for supplyiny water to the'well. Fig.3. is an en-V large sectional detail view of the automatic means forsupplying water to the well.

Like numerals of reference indicate corresponding parts in each figure.

Referring to the drawings, 1 is a furnace of the standard hot-air typehaving the inner casing-2, and the outer casing 3, the heated air fromsaid furnace passing between said inner and outer casings.

4 is a retaining ring extending around the top of the outer casing 3,and supporting the cuter dome of the furnace casing.

The outer casing 3 at the top thereof is cut away to form asubstantially rectangu- Thev objects of the invention are to devise lowrthe retaining rin 4. l 5 isthe pan preferily arc-sh lped to conform,with the inner periphery bf the outer l.casing 3. The pan 5 `is quiteshallow in depth, and thebottox'n r6 thereof s1ants`d0wnwardly from theinner side yto the outer side next the casing 3. I

7- is a well of much greater depth than the pan 5, and of substantiallyrectangular shape, said well preferably being formed integral with thepan 5, so that the top of the laropening therethrough immediately bepan,and topy of the well are of an eveneight, whereby thepan .practicallyforms an extension of theupper `portonof `the well. The well 7 is onIthe outside y. ofswthe casing 3, the .openings tow y said casin `3fitting. aroundthe outsi e1of the pan, w ere itfis connected to the well3, so t at thejlower part of-gthe-'well projects below saidopeninfr inthe casingx. The arc-shaped pan is ths suspended within the PatentenAng. I6', 1910. 4

he to 'of casing at the'top'thercof owing to'thejveight of thewell'onthexoutside of. said casing.

The bottom 8 ofthe well is also slanted toward-.the outside thereof,land itI will be -understood that any dust orforei mat- 'ter settling ineither'gthe pan ort e4 well will find its way down the slanted bottom tothe outerside `of thewell at the bottom Vthereof@where the 4orifice, 9is provided,

thi'ohgh which the dust may be cleaned, out.

10 1s a plug closin the orifice 9.

11 is an automatica -operatedvalve containedwithin the wel 7andoperating as hereinafter fully described for supplying the well withwater, which in turn will How into the evaporating pan on the interior`of the furnace casing to be evaporated by the hot air passin through thefurnace.

12 is the va ve body havin the vertical cylindrical central bore 13, anthe inlet 14 communicating ,throu h the arm 15 ofthe body;- 12 with thesai central bore 13.

T e arm 15 is preferabl formed inte ral with the body 12 of t e valve anis threaded on the periphery thereof where it 'extends throu h asuitable orifice in the side wall ofthe wl'7I intermediate of the heightthereof.

16 are keeper `nuts threaded on the arm ,15, one to each side of theside-wall of the well and securely holding said arm, so that 12 from thecentral bore 13 to the top of said valve body.

19 'is a. p'intle fitting loosely Within the orifice 18 and having theball 2O at the lower.end thereof acting as a valve and closing the lowerend of the orifice 18 whenA the pintle 19 is raised in said orifice.

21 is a lever pivotally secured at one end thereof to the brackets 22pi'ojectin upwardly from one side of the valve boy 12. The pintle 19 atthe top thereof is pivotally secured to the lever 21 intermediate of itslengthby the pin 23.

24 is a fioa`t 'having a plate 25 secured to the top thereof andbridging the free end of the lever 21, a set-screw 26 being insertedthrou h a suitable threaded orifice in the top o said plate againstsaidlever and retaining the float 24 at `the desired position thereon.

In the operation ofy the invention the arm 15 of the valve body isconnected by suitable pip'ino' with a water supply, and the water willflow into the central bore 13, through the orifice 18, around the pintle19, and then 'find its way out of the top of the valve into the welluntil the well is filled, and also the evap'orating pan to asuflicientheight.

The water as it rises in the well will buoy surface of the water in thepan and the well struction of the evaporatin has been lowered sufficientby evaporation to lower the float, which presses downwardly on thepintle 19 and lowers the ball valve 20 from its seat at the lower end ofthe orifice 18.

This is a very simple arrangement of valve, and will -operate verysatisfactoril It must be understood, however, that I o not wish to beconfined tothe exact conpan and well herein shown and describe as it maybe necessary 4with different types or shapes-of furnaces to alter theshape of the'pan. It may The essential features of the invention will befound in the peculiar shape of thc pan, whereby it can readily besupported through an opening in the outer casing of the furnace at anyconvenient place, as the pan does not 'require any means of support.other than the side wall of the casing itself.

of shallow depth fitting the interior contour' of said casing and havinga Well section formed integral therewith and protruding through theopening in said casing and su porting said arc-shaped shallow pan on th)interior thereof, a valve contained within said well and connected to asuitable water supply and a float operatively connected to said valvefor supplying water to saidypan.

2. The combination with the outer casing of a hot-air furnace or thelike having an openin therethrough, of an arc-shaped pan of sha1 owdepth fitting the interior contour of said casing and having the bottomthereof slanting toward saidcasing, a well section formed integraltherewith and protruding through the opening in said casing andsupporting said arc-sha ed shallow pan on the interior thereof an havinga threaded orifice through the bottom thereof, a plug 4fitting saidorifice, a valve contained within said well and connected vto a suitablewater supply and a float operatively connected to said valve forsupplyin water to said pan.

Signed. at the city of ttawa, in the Province of Ontario, in theDominion of Canada.

WILLIAM MERTON BOWEN. Witnesses:

` LLOYD BLACKMonE,

K. F. MAcGiBnoN.

also be found an advantage to cover. lthe well on the top side.

